/* SPDX-License-Identifier: GPL-2.0 */ /* XDP user-space packet buffer * Copyright(c) 2018 Intel Corporation. */ #ifndef XDP_UMEM_H_ #define XDP_UMEM_H_ #include <net/xdp_sock.h> static inline char *xdp_umem_get_data(struct xdp_umem *umem, u64 addr) { return umem->pages[addr >> PAGE_SHIFT].addr + (addr & (PAGE_SIZE - 1)); } static inline dma_addr_t xdp_umem_get_dma(struct xdp_umem *umem, u64 addr) { return umem->pages[addr >> PAGE_SHIFT].dma + (addr & (PAGE_SIZE - 1)); } int xdp_umem_assign_dev(struct xdp_umem *umem, struct net_device *dev, u32 queue_id, u16 flags); bool xdp_umem_validate_queues(struct xdp_umem *umem); void xdp_get_umem(struct xdp_umem *umem); void xdp_put_umem(struct xdp_umem *umem); void xdp_add_sk_umem(struct xdp_umem *umem, struct xdp_sock *xs); void xdp_del_sk_umem(struct xdp_umem *umem, struct xdp_sock *xs); struct xdp_umem *xdp_umem_create(struct xdp_umem_reg *mr); #endif /* XDP_UMEM_H_ */